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Date: Mon, 08 Apr 2024 12:19:30 +0100
From: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
To: Andrew Lunn <andrew@...n.ch>,
Vladimir Oltean <olteanv@...il.com>
Cc: "David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Florian Fainelli <f.fainelli@...il.com>,
Jakub Kicinski <kuba@...nel.org>,
netdev@...r.kernel.org,
Paolo Abeni <pabeni@...hat.com>
Subject: [PATCH net-next 3/3] net: dsa: mv88e6xxx: provide own phylink MAC
operations
Convert mv88e6xxx to provide its own phylink MAC operations, thus
avoiding the shim layer in DSA's port.c
Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
---
drivers/net/dsa/mv88e6xxx/chip.c | 63 ++++++++++++++++++++------------
1 file changed, 39 insertions(+), 24 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 9ed1821184ec..2ba7cbea451f 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -790,24 +790,27 @@ static void mv88e6xxx_get_caps(struct dsa_switch *ds, int port,
}
}
-static struct phylink_pcs *mv88e6xxx_mac_select_pcs(struct dsa_switch *ds,
- int port,
- phy_interface_t interface)
+static struct phylink_pcs *
+mv88e6xxx_mac_select_pcs(struct phylink_config *config,
+ phy_interface_t interface)
{
- struct mv88e6xxx_chip *chip = ds->priv;
+ struct dsa_port *dp = dsa_phylink_to_port(config);
+ struct mv88e6xxx_chip *chip = dp->ds->priv;
struct phylink_pcs *pcs = ERR_PTR(-EOPNOTSUPP);
if (chip->info->ops->pcs_ops)
- pcs = chip->info->ops->pcs_ops->pcs_select(chip, port,
+ pcs = chip->info->ops->pcs_ops->pcs_select(chip, dp->index,
interface);
return pcs;
}
-static int mv88e6xxx_mac_prepare(struct dsa_switch *ds, int port,
+static int mv88e6xxx_mac_prepare(struct phylink_config *config,
unsigned int mode, phy_interface_t interface)
{
- struct mv88e6xxx_chip *chip = ds->priv;
+ struct dsa_port *dp = dsa_phylink_to_port(config);
+ struct mv88e6xxx_chip *chip = dp->ds->priv;
+ int port = dp->index;
int err = 0;
/* In inband mode, the link may come up at any time while the link
@@ -826,11 +829,13 @@ static int mv88e6xxx_mac_prepare(struct dsa_switch *ds, int port,
return err;
}
-static void mv88e6xxx_mac_config(struct dsa_switch *ds, int port,
+static void mv88e6xxx_mac_config(struct phylink_config *config,
unsigned int mode,
const struct phylink_link_state *state)
{
- struct mv88e6xxx_chip *chip = ds->priv;
+ struct dsa_port *dp = dsa_phylink_to_port(config);
+ struct mv88e6xxx_chip *chip = dp->ds->priv;
+ int port = dp->index;
int err = 0;
mv88e6xxx_reg_lock(chip);
@@ -846,13 +851,15 @@ static void mv88e6xxx_mac_config(struct dsa_switch *ds, int port,
mv88e6xxx_reg_unlock(chip);
if (err && err != -EOPNOTSUPP)
- dev_err(ds->dev, "p%d: failed to configure MAC/PCS\n", port);
+ dev_err(chip->dev, "p%d: failed to configure MAC/PCS\n", port);
}
-static int mv88e6xxx_mac_finish(struct dsa_switch *ds, int port,
+static int mv88e6xxx_mac_finish(struct phylink_config *config,
unsigned int mode, phy_interface_t interface)
{
- struct mv88e6xxx_chip *chip = ds->priv;
+ struct dsa_port *dp = dsa_phylink_to_port(config);
+ struct mv88e6xxx_chip *chip = dp->ds->priv;
+ int port = dp->index;
int err = 0;
/* Undo the forced down state above after completing configuration
@@ -876,12 +883,14 @@ static int mv88e6xxx_mac_finish(struct dsa_switch *ds, int port,
return err;
}
-static void mv88e6xxx_mac_link_down(struct dsa_switch *ds, int port,
+static void mv88e6xxx_mac_link_down(struct phylink_config *config,
unsigned int mode,
phy_interface_t interface)
{
- struct mv88e6xxx_chip *chip = ds->priv;
+ struct dsa_port *dp = dsa_phylink_to_port(config);
+ struct mv88e6xxx_chip *chip = dp->ds->priv;
const struct mv88e6xxx_ops *ops;
+ int port = dp->index;
int err = 0;
ops = chip->info->ops;
@@ -904,14 +913,16 @@ static void mv88e6xxx_mac_link_down(struct dsa_switch *ds, int port,
"p%d: failed to force MAC link down\n", port);
}
-static void mv88e6xxx_mac_link_up(struct dsa_switch *ds, int port,
- unsigned int mode, phy_interface_t interface,
+static void mv88e6xxx_mac_link_up(struct phylink_config *config,
struct phy_device *phydev,
+ unsigned int mode, phy_interface_t interface,
int speed, int duplex,
bool tx_pause, bool rx_pause)
{
- struct mv88e6xxx_chip *chip = ds->priv;
+ struct dsa_port *dp = dsa_phylink_to_port(config);
+ struct mv88e6xxx_chip *chip = dp->ds->priv;
const struct mv88e6xxx_ops *ops;
+ int port = dp->index;
int err = 0;
ops = chip->info->ops;
@@ -937,7 +948,7 @@ static void mv88e6xxx_mac_link_up(struct dsa_switch *ds, int port,
mv88e6xxx_reg_unlock(chip);
if (err && err != -EOPNOTSUPP)
- dev_err(ds->dev,
+ dev_err(chip->dev,
"p%d: failed to configure MAC link up\n", port);
}
@@ -6918,6 +6929,15 @@ static int mv88e6xxx_crosschip_lag_leave(struct dsa_switch *ds, int sw_index,
return err_sync ? : err_pvt;
}
+static const struct phylink_mac_ops mv88e6xxx_phylink_mac_ops = {
+ .mac_select_pcs = mv88e6xxx_mac_select_pcs,
+ .mac_prepare = mv88e6xxx_mac_prepare,
+ .mac_config = mv88e6xxx_mac_config,
+ .mac_finish = mv88e6xxx_mac_finish,
+ .mac_link_down = mv88e6xxx_mac_link_down,
+ .mac_link_up = mv88e6xxx_mac_link_up,
+};
+
static const struct dsa_switch_ops mv88e6xxx_switch_ops = {
.get_tag_protocol = mv88e6xxx_get_tag_protocol,
.change_tag_protocol = mv88e6xxx_change_tag_protocol,
@@ -6926,12 +6946,6 @@ static const struct dsa_switch_ops mv88e6xxx_switch_ops = {
.port_setup = mv88e6xxx_port_setup,
.port_teardown = mv88e6xxx_port_teardown,
.phylink_get_caps = mv88e6xxx_get_caps,
- .phylink_mac_select_pcs = mv88e6xxx_mac_select_pcs,
- .phylink_mac_prepare = mv88e6xxx_mac_prepare,
- .phylink_mac_config = mv88e6xxx_mac_config,
- .phylink_mac_finish = mv88e6xxx_mac_finish,
- .phylink_mac_link_down = mv88e6xxx_mac_link_down,
- .phylink_mac_link_up = mv88e6xxx_mac_link_up,
.get_strings = mv88e6xxx_get_strings,
.get_ethtool_stats = mv88e6xxx_get_ethtool_stats,
.get_eth_mac_stats = mv88e6xxx_get_eth_mac_stats,
@@ -7000,6 +7014,7 @@ static int mv88e6xxx_register_switch(struct mv88e6xxx_chip *chip)
ds->priv = chip;
ds->dev = dev;
ds->ops = &mv88e6xxx_switch_ops;
+ ds->phylink_mac_ops = &mv88e6xxx_phylink_mac_ops;
ds->ageing_time_min = chip->info->age_time_coeff;
ds->ageing_time_max = chip->info->age_time_coeff * U8_MAX;
--
2.30.2
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